EP4266723B1 - Kommunikationsvorrichtung, steuerungsverfahren und programm - Google Patents

Kommunikationsvorrichtung, steuerungsverfahren und programm Download PDF

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Publication number
EP4266723B1
EP4266723B1 EP23190784.1A EP23190784A EP4266723B1 EP 4266723 B1 EP4266723 B1 EP 4266723B1 EP 23190784 A EP23190784 A EP 23190784A EP 4266723 B1 EP4266723 B1 EP 4266723B1
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EP
European Patent Office
Prior art keywords
wireless communication
parameter setting
communication parameter
dpp
another apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP23190784.1A
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English (en)
French (fr)
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EP4266723A2 (de
EP4266723A3 (de
Inventor
Fumihide Goto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Publication of EP4266723A2 publication Critical patent/EP4266723A2/de
Publication of EP4266723A3 publication Critical patent/EP4266723A3/de
Application granted granted Critical
Publication of EP4266723B1 publication Critical patent/EP4266723B1/de
Active legal-status Critical Current
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0869—Network architectures or network communication protocols for network security for authentication of entities for achieving mutual authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/03—Protecting confidentiality, e.g. by encryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H04W12/069—Authentication using certificates or pre-shared keys
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/50—Secure pairing of devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/60—Context-dependent security
    • H04W12/69—Identity-dependent
    • H04W12/77—Graphical identity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0806—Configuration setting for initial configuration or provisioning, e.g. plug-and-play

Definitions

  • the present invention relates to a communication setting technique in wireless communication.
  • FIG 2 shows an example of a hardware configuration of communication apparatuses (the access point 101, the smartphone 103, and the printer 104) according to the present embodiment.
  • a communication apparatus includes a control unit 201, a storage unit 202, a radio unit 203, a display unit 204, an image capturing unit 205, an antenna control unit 206, an antenna 207, and an input unit 208, as an example.
  • the control unit 201 performs overall control of the communication apparatus by executing a control program stored in the storage unit 202.
  • the control unit 201 is constituted by one or more processors such as a CPU (central processing unit) and an MPU (micro processing unit). Also, the control unit 201 may be constituted by hardware such as ASIC (application specific integrated circuit) and a DSP (digital signal processor) and a gate array circuit such as an FPGA (field programmable gate array).
  • the storage unit 202 stores various types of information such as a control program executed by the control unit 201, image data, and communication parameters. Various operations, which will be described later, may be realized by the control unit 201 executing the control program stored in the storage unit 202.
  • the storage unit 202 may be constituted by a ROM (read only memory), a RAM (random access memory), an HDD (hard disk drive), or a flash memory, or a storage medium such as a detachable SD (secure digital) card, for example.
  • ROM read only memory
  • RAM random access memory
  • HDD hard disk drive
  • flash memory or a storage medium such as a detachable SD (secure digital) card, for example.
  • the radio unit 203 executes various processes for performing wireless LAN communication conforming to the IEEE 802.11 standard series.
  • the radio unit 203 is constituted by a circuit chip provided with a wireless communication circuit such as a radio frequency (RF) circuit or a baseband (BB) circuit.
  • the display unit 204 presents various types of information to an external portion using a function that can output information that can be visually recognized, such as an LCD (liquid crystal display) or an LED (light-emitting diode), or using a function that can output sound, such as a speaker. That is, the display unit 204 has a function of outputting at least one of visual information and sound information.
  • the image capturing unit 205 is constituted by an image sensor, a lens, and the like, and captures a photograph and a moving image.
  • the image capturing unit 205 can capture images such as a barcode, a two-dimensional code, and a QR code (registered trademark).
  • the antenna control unit 206 controls the antenna 207, and the antenna 207 is any type of antenna having an operation band in a 2.4 GHz band and/or a 5 GHz band.
  • the input unit 208 is an accepting apparatus configured to accept various user inputs, and is used when the user operates the communication apparatus.
  • the input unit 208 stores a flag corresponding to the accepted user input in a memory such as the storage unit 202 or the like.
  • FIG 3 is a diagram showing an example of a functional configuration of the communication apparatus. Note that FIG. 3 shows functions mainly for executing processing, which will be described later, and the communication apparatus may have functions other than the functions shown in FIG 3 .
  • the communication apparatus includes a communication parameter control unit 301, an image reading control unit 302, an image generation control unit 303, and a service control unit 304, as the functional configuration, for example. Also, the communication apparatus includes a packet receiving unit 305, a packet transmitting unit 306, a station function control unit 307, an access point function control unit 308, and a data storage unit 309, for example. These function blocks may be realized by the control unit 201 executing the respective programs stored in the storage unit 202. For example, as a result of controlling hardware, and calculating and processing information according to a control program, the control unit 201 realizes functions. Note that some or all of the functions may be realized by dedicated hardware such as an ASIC.
  • the communication parameter control unit 301 executes communication parameter sharing processing for sharing communication parameters between apparatuses.
  • the providing apparatus provides communication parameters for executing wireless communication to the receiving apparatus.
  • communication parameters include at least any one of wireless communication parameters required to perform wireless LAN communication, such as an SSID (service set identifier) that is a network identifier, an encryption method, an encryption key, an authentication method, and an authentication key.
  • communication parameters may include a connector defined in DPP, a MAC address, a PSK, a passphrase, an IP address for performing communication in an IP layer, information required for a higher-level service, and the like.
  • MAC is an acronym for “Medium Access Control”
  • PSK is an acronym for “Pre Shared Key”
  • IP is an acronym for "Internet Protocol”.
  • the communication parameter control unit 301 executes communication parameter sharing processing using DPP.
  • the communication parameter control unit 301 may execute communication parameter sharing processing using WPS (Wi-Fi protected setup), Wi-Fi Direct, or the like, instead of using DPP.
  • the image reading control unit 302 analyzes an image such as a barcode, a two-dimensional code, or a QR code captured by the image capturing unit 205, and obtains encoded information.
  • the image reading control unit 302 obtains, as the image captured by the image capturing unit 205, code information including a public key to be used to execute communication parameter sharing processing.
  • code information may be a two-dimensional code such as a CP (computer purpose) code or a QR code, or a one-dimensional code such as a barcode.
  • the image reading control unit 302 analyzes the image of the obtained code information and obtains encoded information.
  • code information may include information to be used in communication parameter sharing processing.
  • information used in communication parameter sharing processing includes information such as a public key used in authentication processing and an identifier of an apparatus, for example.
  • a public key is one type of encryption key used in a public key encryption method, and is information used to increase the security of communication parameter sharing processing.
  • information such as a certificate or a password may be used, instead of a public key.
  • the image generation control unit 303 generates an image such as a barcode, a two-dimensional code, or a QR code, and executes control for displaying the generated image on the display unit 204.
  • the image generation control unit 303 generates code information including information such as a public key used to execute communication parameter sharing processing and the identifier of a communication apparatus.
  • code information may be displayed in a communication apparatus without a screen display. This makes it possible to execute processing according to the present embodiment even if a communication apparatus does not include the display unit 204.
  • the service control unit 304 controls a service in an application layer.
  • An "application layer” herein refers to a service providing layer in an upper layer such as a fifth layer or an upper layer in an OSI reference model.
  • the service control unit 304 executes control on printing processing, image streaming processing, and file transfer processing, using wireless communication performed by the radio unit 203.
  • the packet receiving unit 305 and the packet transmitting unit 306 control transmission and reception of any packets including a communication protocol of an upper layer.
  • the packet receiving unit 305 and the packet transmitting unit 306 control the radio unit 203 in order to transmit and receive packets conforming to IEEE 802.11 standard series to/from a communication partner apparatus.
  • the station function control unit 307 provides an STA function for operating as a station (STA) in an infrastructure mode of IEEE 802.11 standard series. When the station function control unit 307 operates as an STA, the station function control unit 307 executes authentication/encryption processing, and the like. Also, the access point function control unit 308 provides an AP function for operating as an access point (AP) in an infrastructure mode of IEEE 802.11 standard series. The access point function control unit 308 forms a wireless network, and performs authentication/encryption processing on the STA and manages the STA.
  • the data storage unit 309 performs control of writing and reading out software and information regarding communication parameters and barcodes to/from the storage unit 202.
  • the communication apparatus does not necessarily have a part of the configuration shown in FIG 3 , and in some cases, the entire configuration may be replaced with another configuration capable of exhibiting a function that is similar to the configuration shown in FIG 3 .
  • the communication apparatus is the access point 101
  • the communication apparatus does not necessarily have the image reading control unit 302 and the like.
  • the image generation control unit 303 may be omitted.
  • the responder apparatus then checks the role of the responder apparatus (the configurator or the enrollee) in the communication parameter providing processing determined in step S402 (step S405). If it is determined that the responder apparatus is operating as the configurator, the responder apparatus displays a user interface (UI) for checking the settings (step S406).
  • UI user interface
  • FIG 6 An example of this UI is shown in FIG 6 .
  • the responder apparatus presents the device name of the initiator apparatus to the initiator apparatus, and enters a state in which a user input regarding whether or not the execution of the communication parameter setting processing with this initiator apparatus is permitted can be accepted.
  • the responder apparatus determines which option is selected from these options by the user (step S407). If the responder apparatus has determined that "NO" was selected in step S407, the responder apparatus transmits, to the initiator apparatus, an error response as a DPP authentication response packet (step S417), and ends processing. If the responder apparatus has determined that "OK” was selected in step S407, the responder apparatus displays a UI for allowing the user to input information regarding the initiator apparatus, which is the partner apparatus for the communication parameter setting processing, and enters a user input accepting state (step S408). An example of a UI displayed in step S408 is shown in FIG 7 .
  • FIG 10 shows an example of the flow of processing in the case where mutual authentication is performed. Note that, although the processing example shown in FIG 10 shows a processing example in a case where the enrollee is the initiator, even if the configurator is the initiator, similar processing may be executed.
  • the responder apparatus first, the responder apparatus also displays a QR code, and the initiator apparatus also captures the QR code displayed on the responder apparatus.
  • the initiator apparatus transmits a DPP authentication request packet to the responder apparatus, triggered by this QR code being captured.
  • the responder apparatus displays the UI screen as shown in FIG 6 .
  • the display of the UI screen is not necessarily used.
  • information regarding the initiator apparatus may be presented using sounds, and the above-described "OK” and “NO” selections may be accepted using a key, a physical button, or the like provided in the responder apparatus. That is, an optional information presenting method and operation accepting method that allow the user to check the partner apparatus and determine whether or not communication parameter setting processing can be executed may be used.
  • the present invention is not limited thereto.
  • wireless communication such as Near Field Communication (NFC) or Bluetooth (registered trademark) may be used, instead of capturing a QR code (registered trademark).
  • wireless communication such as IEEE 802.11ad or TransferJet (registered trademark) may be used.
  • information that can be read by a user may be used, instead of code information such as a QR code.
  • a configuration may be adopted in which predetermined character strings are displayed, the user inputs these character strings after an application is activated, and thus information that is similar to information obtained by capturing a QR code described above is obtained.
  • UWB Ultra Wide Band
  • wireless USB wireless USB
  • wireless 1394 wireless 1394
  • WINET wireless communication technology
  • Bluetooth registered trademark
  • ZigBee ZigBee
  • NFC wireless communication technology
  • Embodiment(s) of the present invention can also be realized by a computer of a system or apparatus that reads out and executes computer executable instructions (e.g., one or more programs) recorded on a storage medium (which may also be referred to more fully as a 'non-transitory computer-readable storage medium') to perform the functions of one or more of the above-described embodiment(s) and/or that includes one or more circuits (e.g., application specific integrated circuit (ASIC)) for performing the functions of one or more of the above-described embodiment(s), and by a method performed by the computer of the system or apparatus by, for example, reading out and executing the computer executable instructions from the storage medium to perform the functions of one or more of the above-described embodiment(s) and/or controlling the one or more circuits to perform the functions of one or more of the above-described embodiment(s).
  • computer executable instructions e.g., one or more programs
  • a storage medium which may also be referred to more fully as
  • the computer may comprise one or more processors (e.g., central processing unit (CPU), micro processing unit (MPU)) and may include a network of separate computers or separate processors to read out and execute the computer executable instructions.
  • the computer executable instructions may be provided to the computer, for example, from a network or the storage medium.
  • the storage medium may include, for example, one or more of a hard disk, a random-access memory (RAM), a read only memory (ROM), a storage of distributed computing systems, an optical disk (such as a compact disc (CD), digital versatile disc (DVD), or Blu-ray Disc (BD) TM ), a flash memory device, a memory card, and the like.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • User Interface Of Digital Computer (AREA)

Claims (11)

  1. Kommunikationsvorrichtung, mit:
    einer Beschaffungseinrichtung (205) zum Beschaffen eines öffentlichen Schlüssels bezüglich einer anderen Vorrichtung;
    einer Anzeigeeinrichtung (204) zum Anzeigen eines Auswahlbildschirms, der es einem Benutzer ermöglicht, auszuwählen, ob eine Einstellung von Drahtloskommunikationsparameter auszuführen ist oder nicht;
    einer Akzeptanzeinrichtung (208) zum Akzeptieren einer Operation eines Benutzers über den Auswahlbildschirm, die angibt, ob die Einstellung von Drahtloskommunikationsparameter mit der anderen Vorrichtung auszuführen ist oder nicht;
    einer Übertragungseinrichtung (203), um in einem Fall, in dem die Operation des Benutzers, die angibt, dass die Einstellung der Drahtloskommunikationsparameter mit der anderen Vorrichtung auszuführen ist, akzeptiert wurde, eine Anforderung bezüglich einer Authentifizierungsverarbeitung, die den öffentlichen Schlüssel bezüglich der anderen Vorrichtung verwendet, das für die Einstellung der Drahtloskommunikationsparameter zu verwenden ist, an die andere Vorrichtung zu übertragen;
    einer Empfangseinrichtung (203) zum Empfangen einer Antwort bezüglich der Authentifizierungsverarbeitung von der anderen Vorrichtung; und
    einer Ausführungseinrichtung (201) zum Ausführen der Einstellung der Drahtloskommunikationsparameter mit der anderen Vorrichtung nach dem Empfangen der Antwort,
    wobei die Einstellung der Drahtloskommunikationsparameter nicht auf der Grundlage einer Operation durch einen Benutzer ausgeführt wird, die über den Auswahlbildschirm akzeptiert wird, der angibt, dass die Einstellung der Drahtloskommunikationsparameter mit der anderen Vorrichtung nicht auszuführen ist.
  2. Kommunikationsvorrichtung gemäß Anspruch 1,
    wobei ein Drahtloskommunikationsparameter, der in der Einstellung der Drahtloskommunikationsparameter einzustellen ist, einen mit dem 'Device Provisioning Protocol' kompatiblen Konnektor umfasst.
  3. Kommunikationsvorrichtung gemäß Anspruch 1 oder 2,
    wobei ein Drahtloskommunikationsparameter, der in der Einstellung der Drahtloskommunikationsparameter eingestellt wird, einen 'Pre-Shared Key' umfasst.
  4. Kommunikationsvorrichtung gemäß einem der Ansprüche 1 bis 3,
    wobei die Anforderung eine DPP-Authentifizierungsanforderung gemäß dem 'Device Provisioning Protocol (DPP)' ist und die Kommunikationsvorrichtung ferner eine Antenne (207) mit einem Betriebsband in einem 5-GHz-Band aufweist.
  5. Kommunikationsvorrichtung gemäß einem der Ansprüche 1 bis 4,
    wobei die Antwort eine DPP-Authentifizierungsantwort ist, die mit dem 'Device Provisioning Protocol (DPP)' konform ist.
  6. Kommunikationsvorrichtung gemäß einem der Ansprüche 1 bis 5,
    wobei die Ausführungseinrichtung (201) konfiguriert ist, um die Einstellung der Drahtloskommunikationsparameter auszuführen, indem eine DPP-Konfigurationsanforderung empfangen wird, die mit dem Device Provisioning Protocol (DPP) konform ist, und eine DPP-Konfigurationsantwort gesendet wird, die mit dem DPP konform ist,
    wobei die Einstellung der Drahtloskommunikationsparameter, die durch die Ausführungseinrichtung (201) ausgeführt wird, eine Parametereinstellung ist, bei der der Drahtloskommunikationsparameter für die Verbindung mit einer Zugangspunktvorrichtung der anderen Vorrichtung bereitgestellt wird, die als eine Station betrieben wird.
  7. Die Kommunikationsvorrichtung gemäß einem der Ansprüche 1 bis 6,
    wobei die Beschaffungseinrichtung (205) konfiguriert ist, um eine Kennung der anderen Vorrichtung zu beschaffen.
  8. Kommunikationsvorrichtung gemäß einem der Ansprüche 1 bis 6,
    wobei die Beschaffungseinrichtung (205) konfiguriert ist, um einen Strichcode, einen zweidimensionalen Code oder einen QR-Code unter Verwendung von mindestens einer Linse und einem Bildsensor zu beschaffen, wobei die Linse und der Bildsensor zum Aufnehmen eines Fotos und eines Films verwendet werden können.
  9. Verfahren zum Steuern einer Kommunikationsvorrichtung, mit:
    Beschaffen (S503) eines öffentlichen Schlüssels bezüglich einer anderen Vorrichtung;
    Anzeigen (S505) eines Auswahlbildschirms, der es einem Benutzer ermöglicht auszuwählen, ob eine Einstellung von Drahtloskommunikationsparameter mit einer anderen Vorrichtung auszuführen ist oder nicht;
    Akzeptieren (S506) einer Operation eines Benutzers über den Auswahlbildschirm, die angibt, ob die Einstellung der Drahtloskommunikationsparameter mit der anderen Vorrichtung auszuführen ist oder nicht;
    Übertragen (S508), in einem Fall, in dem die Operation des Benutzers akzeptiert wurde, die angibt, dass die Einstellung der Drahtloskommunikationsparameter mit der anderen Vorrichtung auszuführen ist, einer Anforderung bezüglich einer Authentifizierungsverarbeitung, die den öffentlichen Schlüssel bezüglich der anderen Vorrichtung verwendet, das für die Einstellung der Drahtloskommunikationsparameter zu verwenden ist, an die andere Vorrichtung, in einem Fall, in dem die Operation des Benutzers akzeptiert wurde, die angibt, dass die Einstellung der Drahtloskommunikationsparameter mit der anderen Vorrichtung auszuführen ist;
    Empfangen (S511) einer Antwort bezüglich der Authentifizierungsverarbeitung von der anderen Vorrichtung; und
    Ausführen (S512) der Einstellung der Drahtloskommunikationsparameter mit der anderen Vorrichtung nach dem Empfangen der Antwort,
    wobei die Einstellung der Drahtloskommunikationsparameter nicht auf der Grundlage einer Operation durch einen Benutzer ausgeführt wird, die über den Auswahlbildschirm akzeptiert wird, der angibt, dass die Einstellung der Drahtloskommunikationsparameter mit der anderen Vorrichtung nicht auszuführen ist.
  10. Verfahren zum Steuern einer Kommunikationsvorrichtung gemäß Anspruch 9, weiterhin mit:
    Aktivieren (S501) einer Anwendung zum Ausführen der Einstellung der Drahtloskommunikationsparameter.
  11. Programm, das einen Computer veranlasst, das Verfahren gemäß Anspruch 9 oder 10 auszuführen.
EP23190784.1A 2018-04-25 2019-04-04 Kommunikationsvorrichtung, steuerungsverfahren und programm Active EP4266723B1 (de)

Applications Claiming Priority (3)

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JP2018084476A JP7257744B2 (ja) 2018-04-25 2018-04-25 通信装置、制御方法、及びプログラム
EP21193174.6A EP3955552B1 (de) 2018-04-25 2019-04-04 Kommunikationsgerät, steuerverfahren und programm
EP19167252.6A EP3562125B1 (de) 2018-04-25 2019-04-04 Kommunikationsvorrichtung, steuerungsverfahren und computerprogramm

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EP19167252.6A Division EP3562125B1 (de) 2018-04-25 2019-04-04 Kommunikationsvorrichtung, steuerungsverfahren und computerprogramm
EP21193174.6A Division EP3955552B1 (de) 2018-04-25 2019-04-04 Kommunikationsgerät, steuerverfahren und programm
EP21193174.6A Division-Into EP3955552B1 (de) 2018-04-25 2019-04-04 Kommunikationsgerät, steuerverfahren und programm

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EP4266723A2 EP4266723A2 (de) 2023-10-25
EP4266723A3 EP4266723A3 (de) 2023-11-15
EP4266723B1 true EP4266723B1 (de) 2025-02-26

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EP19167252.6A Active EP3562125B1 (de) 2018-04-25 2019-04-04 Kommunikationsvorrichtung, steuerungsverfahren und computerprogramm
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US (2) US11838116B2 (de)
EP (3) EP3955552B1 (de)
JP (2) JP7257744B2 (de)
KR (3) KR102527424B1 (de)
CN (2) CN116647935A (de)
ES (2) ES3014103T3 (de)
PL (1) PL4266723T3 (de)

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JP7257744B2 (ja) 2023-04-14
CN110401985A (zh) 2019-11-01
US12218935B2 (en) 2025-02-04
EP4266723A2 (de) 2023-10-25
KR20230065205A (ko) 2023-05-11
US20190334892A1 (en) 2019-10-31
US20240031362A1 (en) 2024-01-25
EP3562125B1 (de) 2021-10-06
EP3955552C0 (de) 2023-09-20
CN110401985B (zh) 2023-06-27
EP4266723A3 (de) 2023-11-15
ES2957461T3 (es) 2024-01-19
JP2019193120A (ja) 2019-10-31
JP2023098925A (ja) 2023-07-11
KR102527424B1 (ko) 2023-05-03
CN116647935A (zh) 2023-08-25
EP3562125A1 (de) 2019-10-30
KR102644362B1 (ko) 2024-03-07
KR20190124141A (ko) 2019-11-04
EP3955552B1 (de) 2023-09-20
ES3014103T3 (en) 2025-04-16
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